ant-design-vue/components/_util/copy-to-clipboard/toggle-selection.ts
2021-06-23 23:10:07 +08:00

42 lines
915 B
TypeScript

// copy from https://github.com/sudodoki/toggle-selection
// refactor to esm
const deselectCurrent = (): (() => void) => {
const selection = document.getSelection();
if (!selection.rangeCount) {
return function () {};
}
let active = document.activeElement as any;
const ranges = [];
for (let i = 0; i < selection.rangeCount; i++) {
ranges.push(selection.getRangeAt(i));
}
switch (
active.tagName.toUpperCase() // .toUpperCase handles XHTML
) {
case 'INPUT':
case 'TEXTAREA':
active.blur();
break;
default:
active = null;
break;
}
selection.removeAllRanges();
return function () {
selection.type === 'Caret' && selection.removeAllRanges();
if (!selection.rangeCount) {
ranges.forEach(function (range) {
selection.addRange(range);
});
}
active && active.focus();
};
};
export default deselectCurrent;